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  1. A certain 8 bit uniform quantization PCM system can accommodate a signal ranging from - 1 V to + V. The rms value of the signal is V . The signal to quantization noise ratio is:

    2. A.
    30 dB
    B.
    46.91 dB
    C.
    40 dB
    D.
    49.92 dB

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    Answer : Option D

    Explanation :

    (SNR)dB = 1.76 + 6.02n

    n = 8

    Thus (SNR)dB = 1.76 + 6.02 x 8 = 49.92 dB.

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